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1

AGBEBI, O. T., and J. ECHEFU. "PHYLOGENETIC ANALYSIS ON FOUR SPECIES OF TILAPIA (Oreochromis niloticus, Tilapia zilli, Sarotherodon galilaeus, Sarotherodon melanotheron) IN NIGERIA." Journal of Agricultural Science and Environment 16, no. 2 (2017): 61–68. http://dx.doi.org/10.51406/jagse.v16i2.1707.

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An investigation into evolutionary history of four species of Tilapia species was carried out as a taxonomy tool to relate most tilapia species found within the Nigerian waters. These species are (Oreochromis niloticus, Tilapia zilli, Sarotherodon galilaeus, Sarotherodon melanotheron). Blood samples from the four species of tilapia were collected and preserved on Fast Technology for Analysis (FTA) cards for DNA extraction and PCR amplification. The various nucleotide sequences of the four Tilapia species found in the Mitochondria D-loop region were copied and aligned with the use of BioEdit an
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2

Shinkafi, Yusuf Buhari, Sulaiman Kauthar Muhammad, Habiba Zakari, and Ibrahim Hamza Kankia. "Comparative Study of the Parasitic Helminth Burden of Clarias gariepinus and Tilapia zilli In Fresh Water Reservoir (Zobe Dam) Dutsin-Ma, Katsina, Nigeria." UMYU Scientifica 2, no. 2 (2023): 63–73. http://dx.doi.org/10.56919/usci.2322.009.

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 The incidence of gastrointestinal helminth parasites was investigated in a research of Clarias gariepinus and Tilapia zilli from Zobe Dam, Dutsin-ma. The results showed a high prevalence of helminth parasites overall, with T. zilli recording 36% and C. gariepinus showing a rate of 68%. Cestodes, trematodes, and nematodes were the three types of parasites found in the fish's intestines. Notably, trematodes predominated in T. zilli (54.55%), whereas cestodes were more common in C. gariepinus (62.71%). Procamallanus leavionchus was the most notable nematode species found in C. gariepinus,
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3

Nwaneri, J. E. and George, U. U. "Size Variation Survey of the Family of Cichlids in Lower River Benue." Asian Journal of Research in Zoology 7, no. 2 (2024): 36–41. http://dx.doi.org/10.9734/ajriz/2024/v7i2147.

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This study was designed to determine the size variations of the family of Cichlids in lower river Benue. The fish samples were collected bimonthly in batches for a period of three months (September- November, 2023). A total of 120 fishes comprising 60 each of Tilapia zilli and Oreochromis niloticus were sampled from fishermen at the Wadata landing site during this period. The fish sampled were transported in an ice-parked plastic container to the Fisheries laboratory in order to keep the integrity of the sample intact prior to analysis. The species were identified using taxonomic keys and morp
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4

Mehanna, S. F. "Population Dynamics of Two Cichlids, Oreochromis aureus and Tilapia zilIi, from Wadi EI-Raiyan Lakes, Egypt." Journal of Agricultural and Marine Sciences [JAMS] 9, no. 1 (2004): 9. http://dx.doi.org/10.24200/jams.vol9iss1pp9-16.

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Age, growth, mortality, relative yield-per-recruit and relative biomass-per-recruit of Oreochromis aureus and Tilapia zilli collected from Wadi EI-Raiyan lakes during the period from August 2000 until July 2001 have been estimated. Age was determined from scale readings and the results showed that the maximum life spans of O. aureus and T. zilli were three and four years, respectively. The von Bertalanffy growth equations were L1= 27.15 (l-e'0.56(t+0.32) for 0. aureus and L1= 33.5 (l-e -0.49(t+0.15) for T. zilli. The instantaneous annual rates of total, natural and fishing mortality were calcu
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5

Amaechi, C. Ebube. "Prevalence, intensity and abundance of endoparasites in Oreochromis niloticus and Tilapia zilli (Pisces: Cichlidae) from Asa Dam, Ilorin, Nigeria." UNED Research Journal 7, no. 1 (2015): 67–70. http://dx.doi.org/10.22458/urj.v7i1.863.

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Disease is an important factor in fisheries, affecting both wild and cultured species. Using standard parasitological techniques we determined the prevalence, mean intensity and abundance of endoparasites from 250 specimens of two cichlids, Oreochromis niloticus and Tilapia zilli from Asa dam, Ilorin, North Central Nigeria between February and August, 2013. We found two digenetic trematode parasites:Euclinostomium heterostomum and Clinostomum tilapiae. The highest prevalence was recorded in O. niloticus (35,9%) infested by C.tilapiae, while the highest mean intensity was recorded in T. zilli.
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6

Stauffer, J. R. Jr, J. M. Boltz, and S. E. Boltz. "Temperature preference of the redbelly tilapia, Oreochromis zilli (GERVAIS)." Archiv für Hydrobiologie 114, no. 3 (1989): 453–56. http://dx.doi.org/10.1127/archiv-hydrobiol/114/1989/453.

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7

Eteng Sunday, Urom, Inyang Etoh Aniema Paul, Odum Caroline Joseph, Ambo Antigha Ambo, and Duke Queendalin Bassey. "Length-Weight Relationship And Condition Index Of The Red Belly Tilapia (Coptodon Zillii) In The Great Kwa River." Global Journal of Pure and Applied Sciences 31, no. 3 (2025): 599–606. https://doi.org/10.4314/gjpas.v31i3.15.

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The Red Belly Tilapia (Coptodon zilli) is a widely distributed fish species in freshwater ecosystems, including the Great Kwa River in Nigeria. This study aimed to investigate the length-weight relationship and condition index of C. zilli in the Great Kwa River. The research involved data collection over a three-month period, from January to March 2023. Descriptive statistics were used to analyze the length and weight measurements of C. zilli. The total length of the fish ranged from 2.4 cm to 20.5 cm, with mean values ranging from 8.77 cm to 9.51 cm. Similarly, the weight of the fish varied f
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8

Dauda, Aminu, Mohammed Zaharaddeen Musa, and Abdul Ademola Olaleye. "Metal Levels in Tillapia zilli, Clarias lazera and Barbus lagoensis from River Hadejia and the Effects on Renal Failure." Arid Zone Journal of Basic and Applied Research 1, no. 4 (2022): 36–46. http://dx.doi.org/10.55639/607srqpo.

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Dietary exposure to toxic metals has been identified as a risk to human health due to large amounts of these metals disposed of in the environment either as industrial waste or other sources due to human activities. In this study, three species of fishes (Tilapia zilli, Clarias lazera and Barbus lagoensis) were obtained, air-dried, milled and digested. The digested samples were analyzed for cadmium, chromium, lead and mercury using atomic absorption spectrophotometer (AAS). The results of the analysis showed that the concentration of cadmium in Tilapia zilli (0.0088mg/kg) and Barbus lagoensis
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9

Babalola, O. A., S. G. ,. Odu-Onikosi, O. B. Adam, and O. R. Ogunyomi. "Effects of replacing soya bean meal with fermented African locust bean (Parkia biglobosa) meal on the growth performance and condition factor of Tilapia zilli fingerlings." Global Journal of Fisheries Science 1, no. 1 (2019): 9–14. http://dx.doi.org/10.31248/gjfs2019.005.

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The study was conducted to evaluate the performance characteristics of Tilapia zilli fingerlings fed with locust bean meal as a replacement for soya bean meal in the diet. Two hundred and ten (210) heterogeneous sexes of Tilapia zilli fingerlings with mean weight of 15.24±0.01g were reared for 84 days in five rectangular glass tanks measuring 0.9 m x 0.45 m x 0.45 m and partitioned into three replicates with 14 fingerlings in each replicate. Five experimental diets were formulated at 0% (soya bean meal only), 25%, 50%, 75% and 100 % locust bean meal inclusion levels at T1, T2, T3, T4, and T5 r
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10

Effiong, M. U., and N. E. Obot. "Helminth parasites of cultured Clarias gariepinus and Tilapia zillii in Uyo, Akwa Ibom State, Nigeria." Tropical Freshwater Biology 29, no. 2 (2021): 87–94. http://dx.doi.org/10.4314/tfb.v29i2.7.

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The study examined helminth parasites of cultured Clarias gariepinus and Tilapia zillii in Uyo, Akwa Ibom State. A total of 60 fish samples (30 each of C.gariepinus and T. zillii) were subjected to parasitological examinations. Results revealed a total of 47(78.33%) fishes infected with various species of parasites: Nematodes (Camallanus polypteri, Paracamallanus cyathopharynx, and Procamallanus laevionchus), Cestodes (Polyonchobothrium torulosus and P. clariae) and Trematodes (Dactylogyrus extensus and Glossiduim pedatum) in decreasing order of abundance. Out of the 60 fish samples examined,
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11

Uneke, Bilikis Iyabo. "MORPHOMETRIC PARAMETERS AND CONDITION FACTOR OF Tilapia zilli (PERCIFORMES: CICHLIDAE) OF THE MID CROSS RIVER FLOOD SYSTEM, SOUTH EASTERN NIGERIA." Continental J. Animal and Veterinary Research 6, no. 1 (2014): 1–10. https://doi.org/10.5281/zenodo.818539.

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The length-weight relationship (LWR) is an important factor in the biological study of fishes and their stock assessments while condition factor is an important component of performance, survivorship and reproductive success in fish, thus the morphometric parameters and condition factor of <em>Tilapia zilli</em> was studied between January 2010 and June 2011. The total length-standard length relationship (TL-SL) of <em>T. zilli</em> was expressed as log(Y) = -0.860 + 1.047 log(X). The length-weight relationship for the individuals ranging in size from 6.5 to 26.3cm TL was estimated. The overal
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12

Nangbes, J. G., H. M. Adamu, and U. F. Hassan. "Bioaccumulation and Risk Analysis of Selected Heavy Metals in Clarias Gariapinus and Tilapia Zili Fish Species of Abandoned Mining Ponds." OPSearch: American Journal of Open Research 2, no. 3 (2023): 109–23. http://dx.doi.org/10.58811/opsearch.v2i3.47.

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Heavy metals (Cd, Co, Cr, Cu, Ni and Pb) were determined in some selected fish species (Clarias gariepenus and Tilapia zili) from Bokkos abandoned mining sites. Sample matrices examined were flesh gills, kidney and liver of each fish species. Twenty (20) sample sites were selected for the sample matrices under investigation. After sample collection and treatment, heavy metals were determined using Atomic Absorption Spectrophotometer (AAS, Bulk Scientific Model 210 VGP). The concentration patterns for each of the elements in the fish species showed significant and relatively similar patterns in
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13

Khalaf, Manal K., Mazin A. Beden, and Nijim M. Aziz. "Effect of Oil Spills Dispersant (OSD Green) Upon Tilapia Zilli." Iraqi Journal of Aquaculture 15, no. 2 (2021): 159–69. http://dx.doi.org/10.58629/ijaq.v15i2.58.

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General Company for Ports of Iraq used (OSD Green) as a dispersant of oil. This type of dispersant has been tested fortoxicity and effect on aquatic environment. The tests were occurred on (Tilapia) fish by applying different concentration ofdispersant (200, 400, 600, 800, 1000 and1500 mg/l) to identify its toxicity and impact on Tilapia fish. It was found the lethalconcentration is (300mg/l). Fish activity has been studied under sub lethal concentration and their effect on fish stress, based on the gills and fins movement. This type of dispersion treatment should be avoided unless critical si
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14

Keyombe, James Last, Kevin Obiero, Edna Waithaka, Nicholas Outa, Oscar Donde, and Domitila Kyule. "Understanding selected growth aspects in Redbelly Tilapia, Coptodon zilli (Gervais) and Largemouth Bass, Micropterus salmoides (Lacepède) in Lake Naivasha, Kenya; Fisheries Management Perspective." Pan Africa Science Journal 01, no. 01 (2020): 72. http://dx.doi.org/10.47787/pasj.2020.02.21.

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Coptodon zilli and Micropterus salmoides were introduced into Lake Naivasha in 1929 and 1959 respectively. The reasons for the introduction were to boost the fisheries and for recreational fishing respectively. However, the numbers of the two fish species in the lake have been declining over the years. It is therefore necessary to assess various aspects of their growth such as length-weight relationship, condition factor, sex ratio and length at first maturity to inform management and policy making for enhanced recovery and establishment of their populations. Length-weight relationship, condit
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15

Simon-Oke, I. A. "Diversity, intensity and prevalence of parasites of cichlids in polluted and unpolluted sections of Eleyele Dam, Ibadan, Nigeria." UNED Research Journal 9, no. 1 (2017): 45–50. http://dx.doi.org/10.22458/urj.v9i1.1677.

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This study aimed to investigate the diversity, intensity and prevalence of parasites in Cichlids. A total of 354 specimens of cichlids was sampled in polluted and unpolluted ends of Eleyele River, Ibadan, Nigeria and examined for parasites. The total prevalence was 57.34%. Recovered parasites were Clinostomum tilapiae, Euclinostomum heterostomum, Neascus, Allocreadium ghanensis, Phagicola longa, Alloglossidium corti and the acanthocephalan; Acanthogyrus tilapiae and Acanthella. Clinostomum tilapiae had higher prevalence and abundance (42.90%) with Allocreadium corti recording least abundance (
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16

Saeed, M. O., and C. D. Ziebell. "Effects of Dietary Nonpreferred Aquatic Plants on the Growth of Redbelly Tilapia (Tilapia zilli)." Progressive Fish-Culturist 48, no. 2 (1986): 110–12. http://dx.doi.org/10.1577/1548-8640(1986)48<110:eodnap>2.0.co;2.

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17

Bamidele, Olufemi S., Ayodele O. Kolawole, and Joshua O. Ajele. "Some physicochemical properties of two major soluble hepatic glutathione transferases of tilapia (Tilapia zilli)." Aquatic Toxicology 112-113 (May 2012): 39–45. http://dx.doi.org/10.1016/j.aquatox.2012.01.020.

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18

Abdulkareem, T. Yesser, and M. Al-Taee Anaam. "The concentration of Some Heavy Metals in the Water, Sediment, and Fish Muscles of Tilapia Fish in Two Different Natural Water Southern Iraq." INTERNATIONAL JOURNAL OF AGRICULTURE AND BIOLOGICAL SCIENCES 4, Sep & Oct 2020 (2020): 127–33. https://doi.org/10.5281/zenodo.4286967.

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<em>The concentration of certain heavy metals (Pb, Zn, Cu, Mn, and Cd) was determined in the water, sediments, and tilapia fish (Coptodon zilli, and Oreochromis niloticaus) from the Tigris River and the fish ponds of Marine Science Centre, University of Basrah, Southern Iraq, during the period April-June 2019. Pb and Zn have the highest concentrations (0.51466 mg/100L) in fish ponds and (0.63 mg/100L) in the Tigris River. Heavy metal concentrations were generally higher in sediment samples than in water samples. Zn recorded a high level of heavy metals in fish pond sediments and the Tigris Riv
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19

Jawad, Laith A. "Variation in meristic characters of a tilapian fish, Tilapia zilli (Gervais, 1848) from the inland water bodies in Libya." Acta Ichthyologica et Piscatoria 31, no. 1 (2001): 159–64. http://dx.doi.org/10.3750/aip2001.31.1.11.

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20

KARGIN, Ferit. "Effects of EDTA on Accumulation of Cadmium in Tilapia zilli." Turkish Journal of Zoology 20, no. 4 (1996): 419–21. http://dx.doi.org/10.55730/1300-0179.3006.

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21

Badmus, K.A, M. Kabir, I.A Adeyinka, E.O Adejoh-Ubani, and S.M. Muhammad. "length-weight relationship, TL-SL relationship, Condition factor, Tilapia zilli." Continental J. Animal and Veterinary Research 6, no. 1 (2014): 11–18. https://doi.org/10.5281/zenodo.818547.

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This study was conducted to genetically evaluate the performance of male and female broiler lines in National Animal Production Research Institute (NAPRI). Data on body weight and body linear measurements were obtained from 350 progenies consisting of 100 birds each for sire and dam line and 75 birds each for sire control and dam control respectively. The growth and body linear measurements traits considered were body weight (BW), body length (BL), Body girth (BG), Thigh length (TL), keel length (KL) and Shank length (SL) which were measured biweekly. 6 birds were sampled out from each groups
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22

Ezemonye, Lawrence, Thomas Ikpesu, and Isioma Tongo. "Distribution of Lindane in Water, Sediment, and Fish from the Warri River of the Niger Delta, Nigeria." Archives of Industrial Hygiene and Toxicology 59, no. 4 (2008): 261–70. http://dx.doi.org/10.2478/10004-1254-59-2008-1906.

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Distribution of Lindane in Water, Sediment, and Fish from the Warri River of the Niger Delta, NigeriaThis paper is the first attempt to quantify the levels and the distribution pattern of lindane in the surface water, sediment and fish (Chrysichthys furcatus and Tilapia zilli). The samples were collected from three stations (Ovwian, Ekakpamre, and Ovu) of the Warri River in the western Niger Delta of Nigeria in 2006: during the dry (January-April) and wet seasons (May-August). The analysis included a total of 96 samples made up of 24 samples each for water, sediment, and fish. The pesticide le
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23

Ibrahim, Haruna. "Assessment of Organochlorines Pesticides Residues in Water, Fish and Sediment Samples from Wurbo Lake, Bali, Taraba State, Nigeria." European Journal of Theoretical and Applied Sciences 1, no. 5 (2023): 1086–96. http://dx.doi.org/10.59324/ejtas.2023.1(5).95.

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Organochlorines pesticides (OCPs) have been used worldwide, particularly in many African countries as in Nigeria for the control of pests. OCPs are characterized by their bioaccumulation in the environment, especially in the food chain, where they find their way into the human body. The research was aim to estimate the residual concentrations of different OCPs in water, fish and sediment from Kundi Lake to find out the extent of pesticide contamination and accumulation. The water sample was subjected to liquid-liquid extraction method while the fish and the sediment samples were subjected to s
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Haruna, Ibrahim. "Assessment of Organochlorines Pesticides Residues in Water, Fish and Sediment Samples from Wurbo Lake, Bali, Taraba State, Nigeria." European Journal of Theoretical and Applied Sciences 1, no. 5 (2023): 1086–96. https://doi.org/10.59324/ejtas.2023.1(5).95.

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Organochlorines pesticides (OCPs) have been used worldwide, particularly in many African countries as in Nigeria for the control of pests. OCPs are characterized by their bioaccumulation in the environment, especially in the food chain, where they find their way into the human body. The research was aim to estimate the residual concentrations of different OCPs in water, fish and sediment from Kundi Lake to find out the extent of pesticide contamination and accumulation. The water sample was subjected to liquid-liquid extraction method while the fish and the sediment samples were subjected to s
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25

Anthonia, Dibua Nwamaka, Ezeanwu Bibian Amaka, Chude Charles Onuora, et al. "Heavy Metal Assessment of Claris angullaris and Tilapia zilli from Omambala River, Anambra State, Nigeria." Journal of Global Agriculture and Ecology 17, no. 3 (2025): 19–30. https://doi.org/10.56557/jogae/2025/v17i39418.

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Fish is a major source of food in many parts of the world, because they contribute to solving global food problem and providing adequate proportions of proteins, minerals, vitamins and trace elements. Concentrations of iron (Fe), nickel (Ni), zinc (Zn), lead (Pb) and cadmium (Cd) were determined in organs of fish species (Tilapia zilli and Claris angullaris) caught from Omambala River, Anambra State, Nigeria. The fishes were caught overnight with the aid of nets cast by the local fishermen. Fish tissues/organs (muscles, liver, kidneys and gills) were digested and the concentrations of the heav
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26

Abumandour, Mohamed M. A. "Ultrastructure features of the surface of the gills and the lower pharyngeal jaw of the Tilapia Zilli,redbelly tilapia(Coptodon Zillii,Gervais,1848)." Anatomia, Histologia, Embryologia 48, no. 1 (2018): 12–21. http://dx.doi.org/10.1111/ahe.12406.

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Zowail, Mohamed, Magda Elezaby, Aml Abdel-kareim, Ghada Yousef, and Amany Mahmoud. "Cytogenetic effect of industrial and agricultural wastes on Tilapia zilli fish." Egyptian Academic Journal of Biological Sciences, B. Zoology 2, no. 1 (2010): 9–16. http://dx.doi.org/10.21608/eajbsz.2010.15903.

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28

Nasir, Noori Abdul-Nabi. "Substratum preferences of juvenile Red belly Tilapia (Coptodon zilli, Gervais, 1848)." IOP Conference Series: Earth and Environmental Science 779, no. 1 (2021): 012128. http://dx.doi.org/10.1088/1755-1315/779/1/012128.

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El-Shafey, Aziza A. M. "Effect of ammonia on respiratory functions of blood of Tilapia zilli." Comparative Biochemistry and Physiology Part A: Molecular & Integrative Physiology 121, no. 4 (1998): 305–13. http://dx.doi.org/10.1016/s1095-6433(98)10129-0.

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Namaga, W. M., B. Yahaya, and M. A. Salam. "Proximate composition of male and female African catfish (Clarias gariepinus) and tilapia (Tilapia zilli) in Jega river, Kebbi state, Nigeria." Journal of Fisheries, Livestock and Veterinary Science 01, no. 02 (2020): 28–35. http://dx.doi.org/10.18801/jflvs.010220.04.

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Fish is highly nutritious, tasty, and easily digestible. It is much sought after by a broad cross-section of the world’s population, particularly in developing countries as it provides the cheapest protein source. Nigeria is blessed with numerous inland freshwater rivers and lakes scattered all over the country. This freshwater habitat consists of many species of fish that have successfully dominated all niches over time and have for many reasons remained unstudied. The situation concealed a lot of scientific information particularly on food security and safety to the inmates and the country a
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Awe, Sunday, F. M. Ajimati, Sheriffdeen Issa Bale, et al. "Assessment of Heavy Metals and Mycological Flora in Various Dried Fish Samples from Idi-Ape Markets in Ilorin, Nigeria." Sahel Journal of Life Sciences FUDMA 3, no. 1 (2025): 546–54. https://doi.org/10.33003/sajols-2025-0301-66.

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Fish is a highly nutritious food and a significant protein source widely consumed across Nigeria and globally. This study assessed the levels of heavy metals, aflatoxins, mycological flora, and proximate composition in three dried fish species Clarias gariepinus, Gymnarchus niloticus, and Tilapia zilli obtained from Idi-Ape Market, Ibadan. Heavy metals were analyzed using Atomic Absorption Spectroscopy (AAS), while aflatoxins were quantified via HighPerformance Liquid Chromatography (HPLC).Lead (Pb) concentrations ranged from 0.152 mg/kg in T. zilli to 0.214 mg/kg in C. gariepinus, exceeding t
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Kinaro, Zachary Omambia, Liangyi Xue, and Josies Ancella Volatiana. "Complete mitochondrial DNA sequences of the Victoria tilapia (Oreochromis variabilis) and Redbelly Tilapia (Tilapia zilli): genome characterization and phylogeny analysis." Mitochondrial DNA Part A 27, no. 4 (2015): 2455–57. http://dx.doi.org/10.3109/19401736.2015.1033695.

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Dauda, J., J. R. Lawal, A. M. Bello, et al. "Prevalence of gastrointestinal helminths of Tilapia zilli (Gervias) in Gombe, Northeastern Nigeria." Journal of Animal Science and Veterinary Medicine 1, no. 3 (2016): 74–80. http://dx.doi.org/10.31248/jasvm2016.029.

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Ogah, E., S. P. Malu, O. A. Ushie, B. D. Longbap, and C. V. Abiaziem. "Heavy metal levels in Tilapia zilli samples from North Central Nigerian rivers." Research Journal of Food Science and Nutrition 1, no. 3 (2016): 42–48. http://dx.doi.org/10.31248/rjfsn2016.019.

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35

Hilmy, A. M., N. A. El-Domiaty, A. Y. Daabees, and H. A. Abdel Latife. "Toxicity in Tilapia zilli and Clarias lazera (Pisces) induced by zinc, seasonally." Comparative Biochemistry and Physiology Part C: Comparative Pharmacology 86, no. 2 (1987): 263–65. http://dx.doi.org/10.1016/0742-8413(87)90077-6.

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AM, El-Naggar;, El-Tantawy SA, Mashaly, MI, and Kanni, A. "Reproductive Behaviour, Hematological Profile and Monogenean Microfauna of the Nest-Breeding, Nile Green Tilapia (Tilapia zilli) Gervais, 1848." IOSR Journal of Environmental Science, Toxicology and Food Technology 11, no. 06 (2017): 50–65. http://dx.doi.org/10.9790/2402-1106015065.

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Ikwuemesi, J. C., C. Egesi, O. Irozuru, and S. N. Ezeamaka. "Bioaccumulation of heavy metals in gills and muscles of selected fish species from Owerrinta section of Imo River." Journal of Aquatic Sciences 38, no. 1 (2023): 49–57. http://dx.doi.org/10.4314/jas.v38i1.5.

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Bioaccumulation of heavy metals in aquatic organisms had been known to occur naturally. Over the years the levels of these accumulations keep increasing due to various human activities which make it detrimental to the life of aquatic organism and humans. The study assessed bioaccumulation of some heavy metals in the gills and muscles of some fish species. Fish samples were collected for a period of 4 months, identified and stored for further analysis. The following heavy metals: Zinc (Zn), Copper (Cu), Iron (Fe), Lead (Pb) and Cadnium (Cd) were assessed on the fish gills and muscles using stan
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Coble, Daniel W., Gordon B. Farabee, and Richard O. Anderson. "Comparative Learning Ability of Selected Fishes." Canadian Journal of Fisheries and Aquatic Sciences 42, no. 4 (1985): 791–96. http://dx.doi.org/10.1139/f85-101.

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Fourteen species of freshwater fish were trained to execute a simple conditioned response in a shuttle box – to move in response to light to avoid an electrical shock. There was no relation between learning ability and phylogenetic position. Better learners included striped bass (Morone saxatilis), bigmouth buffalo (Ictiohus cyprinellus), common carp (Cyprinus carpio), and channel catfish (Ictalurus punctatus). Bluegill (Lepomis macrochirus) and northern pike (Esoxlucius) were poor learners. Yellow perch (Perca flavescens) and redbelly tilapia (Tilapia zilli) could not be trained. Some fish re
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Ogbonna, D. N., T. G. Sokari, and G. E. Amaku. "Antibiogram of Bacterial Flora of Tilapia zilli from Creeks Around Port Harcourt, Nigeria." Journal of Environmental Science and Technology 1, no. 1 (2007): 27–33. http://dx.doi.org/10.3923/jest.2008.27.33.

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Hassan, Ehssan, Maha Soliman, and Abdel Fattah Ghobashy. "Some factors affecting metacercarial infections in Tilapia zilli from Lake Timsah, Ismailia, Egypt." Egyptian Academic Journal of Biological Sciences, B. Zoology 4, no. 1 (2012): 21–28. http://dx.doi.org/10.21608/eajbsz.2012.13535.

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41

Khafagy, Ahmed, Abou El-Kheir Essawy, Noura Abou-El Moaty, and Hala Ayoub. "Prevalence and Antimicrobial susceptibility of Pathogenic Bacteria in Tilapia zilli and Mugil capito." Suez Canal Veterinary Medical Journal. SCVMJ 26, no. 1 (2021): 155–69. http://dx.doi.org/10.21608/scvmj.2021.184973.

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Olowoyo, D. "Heavy metal concentrations in periwinkle (Litorina L ittorea) and tilapia (Tilapia Zilli) from the coastal water of Warri, Nigeria." American Journal of Food and Nutrition 1, no. 3 (2011): 102–8. http://dx.doi.org/10.5251/ajfn.2011.1.3.102.108.

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Saclauso, C. A. "Interaction of growth with social behaviour in Tilapia zilli raised in three different temperatures." Journal of Fish Biology 26, no. 3 (1985): 331–37. http://dx.doi.org/10.1111/j.1095-8649.1985.tb04271.x.

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Asimeng, E. J., and M. J. Mutinga. "Field evaluation of Tilapia zilli (Gervais) as a biological control agent for mosquito control." Biological Control 2, no. 4 (1992): 317–20. http://dx.doi.org/10.1016/1049-9644(92)90025-9.

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Al-Hassoon, Ahmed Sh. "Processing of fish protein concentrate by using saline concentrates and study some of its quality." Iraqi Journal of Aquaculture 10, no. 1 (2022): 55–62. http://dx.doi.org/10.58629/ijaq.v10i1.193.

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The aim of this investigation is to process a fish protein concentrate from a freshwater fish Tilapia zilli , the fish brought from local Basrah market , some of it minced , and the rest dried in the oven at 70 °c for 48 hr. , a saline solutions of 1% and 2% had been used to hydrolyze the fish flesh . The chemical composition of the fish were 56.86 % protein (N× 6.25) ,19.13% fat and 18.11% , while for the processed protein concentrates were 77.40% , 85.05% protein (N× 6.25) ,10.58% , 6.00% fat and 5.41% , 6.13% ash for the two saline concentrates 1% and 2% respectively . The obtained yield wa
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Lawal, N., and M. I. Nafiu. "A survey of fish fauna distribution and abundance in Gwaigwaye Reservoir Katsina State, Nigeria." Journal of Applied Sciences and Environmental Management 24, no. 12 (2021): 2191–95. http://dx.doi.org/10.4314/jasem.v24i12.27.

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The study on a survey of fish fauna distributions and abundance in Gwaigwaye Reservoir, Katsina State was carried out from May 2013 to April 2014 to establish physical, chemical, and biological parameters (fish) of Gwaigwaye reservoir. Four sampling stations were selected. Some physico-chemical parameters were also determine to assess the level of pollution of the reservoir using standard methods and procedures which were correlated with the different fish species to determine fish abundance and distributions. Analysis of variance indicates no significant difference in fish fauna distribution
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Adewolu, M. A. "Potentials of Sweet Potato (Ipomoea batatas) Leaf Meal as Dietary Ingredient for Tilapia zilli Fingerlings." Pakistan Journal of Nutrition 7, no. 3 (2008): 444–49. http://dx.doi.org/10.3923/pjn.2008.444.449.

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LAGHARI, M. Y., N. T. NAREJO, A. R. ABBASI, et al. "Biochemical Composition and Nutrient contents of Tilapia Zilli from BarechiL AKE, District Badin, Sindh, Pakistan." SINDH UNIVERSITY RESEARCH JOURNAL -SCIENCE SERIES 51, no. 01 (2019): 65–70. http://dx.doi.org/10.26692/sujo/2019.01.12.

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Taiwo, I. O., O. A. Olopade, and B. T. Adeniyi. "Assessment of heavy metal concentrations in the muscles of ten commercial fish species from Lagos lagoon, NigeriaAssessment of heavy metal concentrations in the muscles of ten commercial fish species from Lagos lagoon, Nigeria." Nigerian Journal of Animal Production 44, no. 3 (2021): 140–51. http://dx.doi.org/10.51791/njap.v44i3.755.

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The study was undertaken to assess the concentration of five heavy metals (zinc (Zn), lead (Pb), copper (Cu), iron (Fe) and manganese (Mn)) in the muscles of Tilapia zilli, Hydrocynus fiscalis, Parapristipoma humile, Caranx hippo, Cynoglossusa caudatus, Chrysichthys nigrodigitatus, Letjanus sp, Portunus validus, Sardinella maderensis, and Sphyreana sp. The concentrations of heavy metals were measured by atomic absorption spectrophotometry after digestion of the samples. There were significant differences (P&lt;0.05) in the concentration of heavy metals in fish muscles. There was no specific pa
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Nwoko, C. I. A., L. N. Ukiwe, and U. U. Egereonu. "SEASONAL VARIATION OF HEAVY METALS CONCENTRATIONS IN FISH IN OGUTA LAKE, NIGERIA." JOURNAL OF ADVANCES IN CHEMISTRY 10, no. 7 (2014): 2929–36. http://dx.doi.org/10.24297/jac.v10i7.6807.

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Concentrations of heavy metals iron (Fe), copper (Cu), lead (Pb), nickel (Ni), mercury (Hg), chromium (Cr), cadmium (Cd) and arsenic (As), were determined in the head of four fish species, namely, Trachinotus goreensis, Clarias anguillaris, Synodontis membranaceous, and Tilapia zilli, in Oguta Lake, Nigeria. Result obtained from analyses using Atomic Absorption Spectrophotometry (AAS) revealed that Fe (13.309 mg/l) was the highest metal accumulated by the fish (S. membranaceous) in October, while Hg and As were not detected in all the fish species except in July where 0.003 and 0.005mg/l of As
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